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Earnings Per Common Share (Tables) | 3 Months Ended
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Jun. 30, 2026
Earnings Per Share [Abstract] |
Schedule of Computations for Basic and Diluted Earnings per Common Share | The computations for basic and diluted earnings per common share were as follows:
| Three Months Ended June 30, |  |
(In millions, except per share amounts) | 2026 |  | 2025 |  |  |  |
Numerator |  |  |  |  |  |  |
Income from continuing operations | $ | 1,032 |  |  | $ | 831 |  |  |  |  |
Net income attributable to noncontrolling interests | (44) |  |  | (47) |  |  |  |  |
Adjustment to redemption value in net income attributable to noncontrolling interests | (374) |  |  | — |  |  |  |  |
Net income attributable to McKesson Corporation | $ | 614 |  |  | $ | 784 |  |  |  |  |
Denominator |  |  |  |  |  |  |
Weighted-average common shares outstanding: |  |  |  |  |  |  |
Basic | 118.7 |  |  | 124.9 |  |  |  |  |
Effect of dilutive securities: |  |  |  |  |  |  |
Restricted stock units (1) | 0.5 |  |  | 0.6 |  |  |  |  |
Diluted | 119.2 |  |  | 125.5 |  |  |  |  |
Earnings per common share attributable to McKesson Corporation: (2) |  |  |  |  |  |  |
Diluted | $ | 5.15 |  |  | $ | 6.25 |  |  |  |  |
Basic | $ | 5.17 |  |  | $ | 6.28 |  |  |  |  |
(1)Includes dilutive effect from restricted stock units and performance-based restricted stock units. (2)Certain computations may reflect rounding adjustments.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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